Moon Engineering is your #1 portable Service Provider For Plant Turn Arounds, Emergency Shutdowns, Major Overhauls & maintenance work and Onsite In-Situ Machining of RTJ Groove/ O-ring Grooves/ Channel Heads/ Man Ways/ Oval Man Way/ Lens Gasket Face/ Heat Exchanger Shell Gasket Face/ Tube Bundle Front & Back Side Gasket Face/ Coke Chamber Gasket Face/ Dome Shell gasket Face/ Chamfers and Also Repairing Of all types of HP/LP Valves- GATE Valve, GLOBE Valve, NRV Valve, BALL Valve, CONTROL Valve, PSV Valve, PLUG Valve, THREE Way Valve and BUTTERFLY Valve.